EP3515304A1 - Remote control module for instruments - Google Patents

Remote control module for instruments

Info

Publication number
EP3515304A1
EP3515304A1 EP17778021.0A EP17778021A EP3515304A1 EP 3515304 A1 EP3515304 A1 EP 3515304A1 EP 17778021 A EP17778021 A EP 17778021A EP 3515304 A1 EP3515304 A1 EP 3515304A1
Authority
EP
European Patent Office
Prior art keywords
stimulation
sterile field
controller
instrument
monitoring system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP17778021.0A
Other languages
German (de)
English (en)
French (fr)
Inventor
Matthew L. CANTWELL
Wenjeng Li
Kevin L. Mcfarlin
Anirudhan NARASIMHAN
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Medtronic Xomed LLC
Original Assignee
Medtronic Xomed LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Medtronic Xomed LLC filed Critical Medtronic Xomed LLC
Publication of EP3515304A1 publication Critical patent/EP3515304A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • A61B5/389—Electromyography [EMG]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • A61B5/389—Electromyography [EMG]
    • A61B5/394—Electromyography [EMG] specially adapted for electroglottography or electropalatography
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/40—Detecting, measuring or recording for evaluating the nervous system
    • A61B5/4029—Detecting, measuring or recording for evaluating the nervous system for evaluating the peripheral nervous systems
    • A61B5/4035—Evaluating the autonomic nervous system
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/40—Detecting, measuring or recording for evaluating the nervous system
    • A61B5/4029—Detecting, measuring or recording for evaluating the nervous system for evaluating the peripheral nervous systems
    • A61B5/4041—Evaluating nerves condition
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
    • A61B5/6847—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/74—Details of notification to user or communication with user or patient; User input means
    • A61B5/7475—User input or interface means, e.g. keyboard, pointing device, joystick
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
    • A61N1/36014—External stimulators, e.g. with patch electrodes
    • A61N1/36017—External stimulators, e.g. with patch electrodes with leads or electrodes penetrating the skin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • A61B18/1442—Probes having pivoting end effectors, e.g. forceps
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00636—Sensing and controlling the application of energy
    • A61B2018/0066—Sensing and controlling the application of energy without feedback, i.e. open loop control
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00636—Sensing and controlling the application of energy
    • A61B2018/00773—Sensed parameters
    • A61B2018/00839—Bioelectrical parameters, e.g. ECG, EEG
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/0091—Handpieces of the surgical instrument or device
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/0091—Handpieces of the surgical instrument or device
    • A61B2018/00916—Handpieces of the surgical instrument or device with means for switching or controlling the main function of the instrument or device
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/0091—Handpieces of the surgical instrument or device
    • A61B2018/00916—Handpieces of the surgical instrument or device with means for switching or controlling the main function of the instrument or device
    • A61B2018/0094—Types of switches or controllers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • A61B18/1442—Probes having pivoting end effectors, e.g. forceps
    • A61B2018/1452—Probes having pivoting end effectors, e.g. forceps including means for cutting
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • A61B18/1442—Probes having pivoting end effectors, e.g. forceps
    • A61B2018/146—Scissors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/22—Arrangements of medical sensors with cables or leads; Connectors or couplings specifically adapted for medical sensors
    • A61B2562/225—Connectors or couplings
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/48—Other medical applications
    • A61B5/4887—Locating particular structures in or on the body
    • A61B5/4893—Nerves
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
    • A61B5/6847—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
    • A61B5/6852—Catheters

Definitions

  • the subject disclosure relates to nerve monitoring systems, and particularly to remote control of nerve monitoring systems.
  • Nerve monitoring systems such as the NIM-Response® 3.0 and/or NIM- Neuro® 3.0 nerve monitoring systems, sold by Medtronic, Inc., may be used to monitor electromyography (EMG) responses.
  • EMG electromyography
  • the monitoring systems may provide stimulation at a selected nerve and a response sensed or detected at muscles remote from the location of the stimulation. Monitoring the EMG responses may be used to determine whether one or more nerves has been damaged during a select procedure.
  • the monitoring system may be controlled by a monitor user that is spaced apart from a procedure user and a subject. Therefore, the monitor user may require instructions from the procedure user to operate the monitoring system according to a selected use by the procedure user.
  • a nerve monitoring system may be used to monitor the integrity of a nerve.
  • a procedure user may operate and/or alter an operation of the nerve monitoring system with a remote control system provided at the procedure user.
  • the remote control system may include hardware that can be manipulated by the procedure user at the procedure user's location. Therefore, instructions or control to the nerve monitoring system may be provided at a location remote from the monitoring system.
  • the monitoring system may include a processor and display system for displaying results from the nerve monitoring.
  • the monitoring system may not be immediately available for placement in a sterile field or for placement proximal to a subject.
  • the subject may be monitored with the monitoring system for a selected procedure.
  • the procedure user may include a surgeon.
  • the surgeon may be sterile for the selected procedure.
  • a remote control may be connected to a monitoring and/or stimulating instrument during a procedure.
  • a remote control may also be connected to the surgeon and interconnected with the instrument and the monitoring system.
  • the remote control may be sterile and appropriate for placement in the sterile field.
  • the remote control includes a physical connection to the monitoring system with a length of conductive material.
  • the physical connection may include a wire (e.g. copper or aluminum wire), conductive polymer, or other appropriate conductive material.
  • the physical connection may allow for both a signal from the remote to the monitoring system to interact with the monitoring system and/or to transmit a signal to and/or from the instrument.
  • FIG. 1 is a schematic environmental view of a stimulation instrument used during a procedure
  • Fig. 2 is a detailed view of a remote disconnected from the instrument
  • Fig. 3 is a detailed view of the connector of the remote control
  • Fig. 4 is a view of the remote connected to an alternative instrument
  • FIG. 5 is an environmental illustration of a remote control, according to various embodiments, connected with an instrument.
  • Fig. 6 is a detailed view of a remote disconnected from an instrument, according to various embodiments.
  • a monitoring system 16 such as a NIM® nerve integrity monitoring system, sold by Medtronic, Inc. having a place of business in Minneapolis, MN, is illustrated in an environmental setting.
  • the monitoring system 16 may include a monitor assembly 20 that has a display screen or device 22 and one or more input devices.
  • the input device may include one or more systems or structures to input commands of information such as a knob 24a, a touch screen 24b, a keyboard 24c, or other appropriate input devices.
  • Input devices may also include other tactile input devices, audio input devices, visual input devices, etc.
  • the monitor assembly 20 may further include a processor 26 and a memory 28. It is understood that the processor 26 may access the memory 28 to execute instructions stored thereon or access other data on the memory 28.
  • the memory 28 may include a physical memory, such as a spinning hard disk drive, solid state memory, or other appropriate types of memory. Further, the memory 28 may not be incorporated into the monitor assembly 20, but may be accessed by processor 26, such as via communications network.
  • the processor 26 may be a general purpose processor that is operable to execute instructions for generating a selected output, as discussed further herein.
  • the processor 26 may further include onboard memory.
  • the processor 26 may include a specific purpose processor such as an application specific integrated circuit (ASIC). Accordingly, the processor 26 may execute instructions stored on memory 28, which may be a non-transitory memory, to provide an output for display on the display device 22.
  • ASIC application specific integrated circuit
  • the monitoring system 20 may further include a stimulation portion and/or generator.
  • the stimulation portion may be configured to generate a voltage based upon control by the processor 26.
  • the processor 26 may execute instructions of a program stored on the memory 28 and/or control by a user 30. As discussed herein, the monitoring system 20, therefore, may be operated to generate a stimulation at or with a stimulation instrument based upon control of the user 30.
  • the information displayed on the display device 22 may include information selected by the user 30.
  • the selection made by the user 30 may be desired or selected information regarding a subject 34.
  • the subject 34 is illustrated as a human subject, but it is understood that the subject may be any appropriate living subject, including non-human subjects.
  • the monitoring system 16 may be used with non-living subjects. Non-living subjects may have systems that are selected to be monitored for selected activity, such as electrical activity, and the monitoring system 16 may be used. In selected embodiments, however, the user 30 may be performing a surgical procedure on the subject 34. The user 30, therefore, may select to monitor nerve response and/or integrity such as by monitoring electromyography (EMG) responses.
  • EMG electromyography
  • One or more stimulation or monitoring assemblies may be incorporated in the monitoring system 16 and connected with the monitor assembly 20.
  • monitoring of a recurrent laryngeal nerve (RLN), a vagus nerve, or other appropriate nerve 36 in the subject 30.
  • Other or alternative nerves may also be monitored, including other selected cranial nerves and/or spinal nerves.
  • Monitoring of the RLN may include a nerve monitoring esophageal tube 38, which may have one or more conductive electrodes 40 that are in contact with selected portions of the subject 34.
  • the electrode 40 may be affixed to an exterior of the tube 38 and/or incorporated into the structure of the tube 38.
  • the electrode 40 can be connected to the monitor assembly 20 via a connection 42.
  • other instruments may be connected to the monitor assembly 20, such as electrode assemblies, including an electrode that may send or receive periodic stimulation pulses.
  • one or more stimulation instruments 50 may be used.
  • the stimulation instrument 50 may be connected to the monitor assembly 20 with a connector 54.
  • the connector 54 may allow for a physical connection between the stimulation instrument 50 and the monitoring assembly 20.
  • the connector 54 may include a conductive member (e.g. a metal wire, conductive polymer, etc.).
  • the stimulation instrument 50 may include various instruments such as surgical instruments and the like. Examples of stimulation instruments include those disclosed in U.S. Pat. App. No. 14/678,485 filed on April 3, 2015 and U.S. Pat. App. No. 14/678,452 filed on April 3, 2015; both incorporated herein by reference.
  • the stimulation instrument 50 is connected with the monitor assembly 20 with the connector 54 to send and/or receive stimulation signals to the subject 34 to assist in determining whether nerve damage or other tissue damage has occurred or could occur.
  • a surgical instrument such as a scalpel, may be manipulated by the user 30, such as a human surgeon. The surgical instrument may not or need not be directly connected to the monitor assembly 20. The stimulation instrument 50, however, may access various portions of the subject 34, such as through an incision 58.
  • the stimulation instrument 50 may be used to contact the nerve 36 or tissue near the nerve 36 to stimulate a response in the nerve or an EMG response at a location located a distance from the location of the stimulus application.
  • the monitor assembly 20 may be provided to monitor signals through or from the stimulation instrument 50 without requiring interactive stimulation or monitoring through the scalpel while performing the procedure on the subject 34. It is understood, however, that other electrode assemblies may be connected to the subject 34 as is understood by one skilled in the art. Stimulation to the subject 34 may account for a refractory period of one or more nerves.
  • the operation of the monitoring system and the use of the monitoring system 16 may be similar to the NIM® monitoring system sold by Medtronic, Inc., including the NIM-Response® 3.0 nerve monitoring system.
  • the stimulation instrument 50 may be placed on contact, or at least in stimulation connection, with the nerve 36, as discussed further herein, and a signal may be transmitted along the connection 54 from the monitor system 20.
  • the electrode 40 on the tube 38 may be a receiving electrode. It is understood, however, that other receiving electrodes may be associated and/or in contact with the subject 34.
  • user 30 may attempt or select to determine whether the integrity or continuity of the nerve 36 has been damaged during the surgical procedure. For example, various cutting or tissue moving procedures may strain or cause damage to the nerve 36 and ensuring that the nerve 36 is undamaged may be selected.
  • the user 30, therefore, may position the instrument 50 near and/or in contact with the nerve 36.
  • the monitoring system 16, including the stimulation system or generator of the monitoring assembly 20, may provide a stimulating voltage and/or current through the instrument 50 to attempt to evoke a response in a tissue 70.
  • the tissue 70 may include a muscle that upon an evoked response will cause movement of the muscle 70 and/or associated tissues, such as vocal folds.
  • the evoked response may be sensed by the EMG sensing electrodes 40 and the signal may be transmitted to the monitoring assembly 20 to allow a presentation of a message to the user 30, such as a graph, warning, auditory message (e.g. tone representing a signal received regarding the evoked EMG), or the like.
  • the user 30 may control the monitoring assembly 20 with a remote control 100.
  • the remote control 100 may be positioned with the user 30, according to various embodiments, such as being connected to the instrument 50.
  • the remote control 100 may be removably connected to the instrument 50, as discussed further herein.
  • the remote control 100 may include switches that allow operation or control of all or certain functions of the monitoring assembly 20 while using the monitoring system 16.
  • the monitoring system 16 may include certain portions such as the tube assembly 38 and the instrument 50 that are configured to be used in a sterile field area 104 which is separated from a non-sterile area 1 10.
  • a physical structure may be positioned to separate the sterile field 104 from the non-sterile field 1 10 in an operating theatre or other selected location.
  • the monitoring assembly 20, including the various inputs, such as the keyboard 24c may not generally be accessible to the user 30 if the user 30 is in the sterile field 104.
  • the user 30 may attempt to provide instructions to a second user in the non-sterile field 1 10 to operate the monitoring assembly 20, which may be inefficient.
  • the remote control 100 may allow the user 30 to directly control at least portions or certain operations of the monitoring assembly 20 without moving out of the sterile field 104.
  • Control of the monitoring assembly 20 by the user 30 from within the sterile field 104 may allow the user 30 to make immediate decisions and configuration selections regarding operation of the monitoring system 16.
  • the user 30 may be a distance from the other input devices, such as the keyboard 24c, and the remote 100 may be local (e.g. within arm's length or closer) to the user 30.
  • the monitoring system 16 may be used to determine or confirm integrity of the nerve 36 by providing stimulation through the nerve 36 to evoke a response in the muscle 70.
  • the user 30 may wish to alter a configuration or operation of the monitoring system 16 during a use of the monitoring system 16 without attempting to convey the selected change of configuration as verbal or other types of instructions to a second user or individual to attempt to reconfigure or change operation of the monitoring assembly 20 positioned in the non-sterile field 1 10.
  • the monitoring assembly 20 is positioned in the non-sterile field 1 10 near the user 30, the user 30 is not able to generally interact with items in the non-sterile field 1 10 and immediately return to the sterile field 104 to continue the operation on the subject 34. Therefore, positioning the remote 100 in the sterile field 104 allows the user 30 to use the remote 100 in the sterile field 104 to operate the monitoring assembly 20.
  • the conductor 54 allows a signal from the remote control 100 to be carried to the monitoring assembly 20 and/or a stimulation signal from the monitoring system 20 to be delivered through the instrument 50 to the patient 34, such as to the nerve 36.
  • the remote 100 will be discussed in greater detail. As illustrated in greater detail in Fig. 2 and Fig. 3, the remote 100 may be removably connected to the instrument 50.
  • the controller 100 may be rigidly connected to the instrument 50. In various embodiments, the controller 100, when rigidly connected to the instrument 50, will not move relative to the instrument 50 until disconnected from the instrument by the user 30.
  • the instrument 50 may include a connecting portion, such as a male connector 120 having an external wall 122 and an internal wall 124.
  • the external wall 122 may have a non-circular geometry, such as a square shape. The square shape may assist in resisting or eliminating rotation of the controller 100 relative to the instrument 50.
  • the remote 100 may include a mating connector having a female connector 130 having an internal wall 132.
  • the female connector 130 may be formed as a depression within a housing 136 of the remote 100.
  • the housing 136 may include an external wall or surface 138 into which the female connection portion 130 may be formed.
  • the male connection portion 120 and the female connection portion 130 may form a physical and rigid connection between the instrument 50 and the remote 100.
  • the female connector 130 therefore, may have a complementary shape to the male connector 120 to assist in maintaining rotational and axial rigid connection.
  • the connection may allow for rotation if selected, such as both connector portions being round in shape.
  • An electrical or conductive connection may be made via the connecting portions 120, 130 or other portions.
  • the instrument 50 may form a female conducting connection portion 140, such as with or on the internal wall 124.
  • the internal wall 124 may include one or more conductors to connect with various portions of the instrument 50, such as providing multiple connections for a bi-polar or multi-polar stimulation.
  • the remote 100 may include a male conductive connector 144 within the female connection 130.
  • the male conductive connector 144 may be formed as a selected male connection, such as a banana plug or clip.
  • the male connector 144 may make a conductive connection with the female connector 140 on the instrument 50.
  • the male connector 144 may further be electrically connected to the conductor 54 that connects the remote 100 to the monitoring assembly 20.
  • the conductor 54 allows for a physical connection of the remote 100 to the remote assembly 20. Therefore, the instrument 50 may be electrically and physically connected to the remote assembly 20 to allow for operation of the instrument 50 by the user 30 in the monitoring system 16.
  • the remote control 100 can include various control options including audio inputs, physical inputs, and the like.
  • the remote control 100 may include one or more push buttons such as a first push button 160, a second push button 164, and a third push button 168.
  • Each of the push buttons 160, 164, and 168 may be physical buttons or members that move relative to the housing 136 to actuate a respective switch that is positioned below the button, but associated with the button on a printed circuit board (PCB) 172 positioned within the housing 136.
  • the PCB 172 may include electrical switches 160a, 168a, 164a corresponding to the respective buttons 160, 168, and 164.
  • the PCB 172 may include electrical connections or conductive connections from each of the switches 160a, 164a, and 168a to the conductor 54. Therefore, a signal from the respective switches 160a, 164a, and 168a may be transmitted to the monitoring assembly 20 to control and/or operate the monitoring assembly 20. It is understood that other appropriate switches may be provided such as mechanical toggle switches, touch sensitive portions (e.g., capacitive surfaces), a joystick, trackball, roller button (e.g. center rolling button on a computer mouse), or the like.
  • buttons 160, 164, 168 are merely exemplary.
  • pressing or actuating more than one of the buttons at a time may operate the monitoring assembly 20 in a manner different and distinct from depressing any single one of the buttons 160, 164, 168 individually.
  • operating or depressing any one of the buttons in sequence in a selected amount of time may operate the monitoring assembly 20 in a further different manner.
  • the monitoring system 20 may be used to provide stimulation to the nerve 36 and receive a signal regarding an evoked response, such as in the muscle 70, such as through the contacts 40. Therefore, the user 30 may operate the remote control 100 to manually provide a stimulation pulse to the nerve 36, alter an amplitude of the stimulation pulse, alter a frequency of the stimulation pulse, or the like. According to various embodiments the remote control 100 may be operated to increase and/or decrease a stimulation current. For example, the first button 160 may be operated to increase stimulation current while the second button 164 may be operated to decrease the stimulation current.
  • the buttons may include visual indicia to indicate a selected operation.
  • the first button 160 may be formed as an arrow or a triangle generally pointing "up” such as towards the instrument 50.
  • the second button 164 may include a visual indication, such as an arrow or triangle pointing "down", such as away, from the instrument 50, to assist in indicating a decrease in operation.
  • the third button 168 may be a selection button, such as a menu selection, confirmation, or other general input that may be used to switch a current operation of the monitoring assembly 20.
  • the remote 100 may further be used to control the monitoring assembly 20 such as to increase or decrease an audio output or message from the monitoring assembly 20.
  • the first button 160 may be used to increase the volume while the second button 164 may be used to decrease the volume.
  • the third button 168 may be used to cycle through various controllable options, such as between increasing and decreasing stimulation current and increasing and decreasing a message volume from the monitoring assembly 20.
  • the remote 100 may be further used to operate to collect information or store information being received or displayed by the monitoring assembly 20.
  • the electrodes 40 may receive an evoked response due to a stimulation of the nerve 36.
  • the evoked response may be displayed on the display device 22 or otherwise presented as a message to the user 30.
  • the remote 100 may be operated to acquire or save a snapshot (e.g., a screenshot) of information currently being displayed or represented by the monitoring assembly 20.
  • the display device 22 may display a graph regarding the perceived or sensed evoked response. Acquiring, a screenshot of the display device 22 allows the user 30 to save a selected signal received by the monitoring assembly 20 from the electrodes 40.
  • the user 30 may use the saved screenshot, such as at a later time, for comparison to a later acquired or later received signal. Further, the saved screenshot may be used to assist in training at a later period.
  • the remote 100 may further be used to set or control threshold limits. Threshold limits may relate to stimulation current and/or voltage. Further, the threshold limits may relate to the received responses or received signals at the electrodes 40. The control threshold limit may set an upper or lower limit regarding a waveform that is identified as the received signal by the electrodes 40.
  • the remote control 100 may be further operated to operate a selected system.
  • the monitoring assembly 20 may be operated with a continuous or automatic pulse system.
  • the automatic periodic stimulation APS® Stimulation System, sold by Medtronic, Inc.
  • the remote control 100 may be used to operate the periodic stimulation through an automatic periodic stimulation system. For example, adjusting a stimulation current may be made, similar to that discussed above, through the electrode.
  • the APS® Monitoring System may include various features such as determining a baseline evoked response from the periodic stimulation and alarm conditions relating to deviations from the baseline.
  • the remote control 100 may be used to control the monitoring system 20 during and/or to initiate a baseline determination (e.g., inputting a beginning and ending time for identifying a baseline, changing the volume and/or muting a presented signal (e.g. a periodic tone relating to the evoked and sensed response), changing or controlling alarm conditions regarding a deviation from the baseline, and other appropriate features of the APS® Monitoring System). Accordingly, the remote control may be used to operate various features of the monitoring assembly 20 within the monitoring system 16.
  • a baseline determination e.g., inputting a beginning and ending time for identifying a baseline, changing the volume and/or muting a presented signal (e.g. a periodic tone relating to the evoked and sensed response), changing or controlling alarm conditions regarding a deviation from the baseline, and other appropriate features of the APS® Monitoring System.
  • the remote control may be used to operate various features of the monitoring assembly 20 within the monitoring system 16.
  • the remote 100 may be interconnected with any appropriate instrument.
  • the instrument may be a stimulating electrode forceps 200 and may include a connection similar to the male connector 120 of the instrument 50 to be interconnected with the female connection portion 130 of the remote 100.
  • the forceps 200 may include one or more contact electrodes to contact various portions of the subject 34, such as near or at the nerve 36 and/or other tissue portions.
  • the remote 100 may be connected with selected instruments, such as either a single tip probe or a dual tip forceps, or other appropriate instrument. Moreover, it is understood that the remote 100 may be connected to a first instrument, disconnected from the first instrument 50, and then connected to the second instrument 200. The remote may then be disconnected from the second instrument 200 and reconnected to the first instrument 50. Further, it is understood that a kit of instruments may include any appropriate number of instruments and the remote 100 may be connected, disconnected, and reconnected to different instruments a selected number of times.
  • the remote 100 may be connected substantially directly to the instrument 50, 200 to allow for ease of operation of the remote by the user 30 while grasping the respective instrument 50, 200.
  • the user 30 may use one or both hands 30a, 30b to manipulate both the instrument 50, 200 and/or the remote 100.
  • the user 30 may use a digit of one or both hands to depress or operate the inputs, such as the buttons 160, 164, 168, to control the monitoring assembly 20. For example, only a single digit (e.g. finger of a hand) may be used to press the first button 160. As noted above, pressing the first button may increase a stimulation current.
  • a remote control 250 may be connected via a connector, similar to the connector 54, including an instrument connection connector 260.
  • the instrument connection connector 260 may include a first connection portion 262 that connects to a second connection portion 264.
  • the second connection portion 264 may extend and be connected to an instrument 270.
  • the instrument 270 may be similar to the instrument 200, as discussed above, or may also be similar to the instrument 50 as discussed above.
  • the connector 260 allows the remote 250 to be positioned a distance from the instrument 270.
  • the remote 250 may be connected to a holder, such as including a clip 280.
  • the clip 280 may be clipped to a select portion, such as a sterile draping (e.g. placed over the subject 34 or portion near the subject 34) or to a garment of the user 30, to position the remote 250 near or at the user 30 and away from the patient 34.
  • the user 30 may then move one or more of the hands 30a, 30b to operate the remote 250.
  • the remote 250 may be similar or identical to the remote 100 and includes the first button 160, the second button 164, and the third button 168. Further, the remote 250 may include any appropriate input portions including those discussed above. Nevertheless, the remote 250 may be positioned at a convenient and advantageous location for operation by the user 30.
  • the instrument connector 260 may be connected via the conductor 54 to the monitoring assembly 20 in the non-sterile field 1 10.
  • the instrument connector 260 may be interconnected with the conductor 54 and/or directly connected to the monitoring assembly 20.
  • the instrument connection portion 260 may be provided to allow for positioning of the remote 250 at a selected location remote and away from the instrument 270. Therefore, it is understood that the remotes 250 may be positioned away from the instrument 270 for operation by the user 30.
  • the remote 100 may be directly connected to the selected instrument to be operated by the user 30.
  • the remote 250 may be positioned in line with the conductor 260.
  • the remote 250 need not be connected to the instrument 200 or instrument 270, but need not be on a separated conductor connected to the conductor 260.
  • the remote 250 may be positioned a distance from the instrument 270, but be electrically connected thereto, such as with the conductor 260.
  • the clip 280 need not be rigidly connected to the remote 250.
  • the clip 280 may be connected to the conductor 260.
  • the clip 280 may then be connected to an object, such as the surgeon 30, as discussed above, and the conductor 260 would then assist in maintaining the remote 250 near the surgeon 30.
  • the clip 280 need not be formed as a part of the remote 250.
  • a display 300 may be included on the remote 100 or remote 250.
  • the display 300 on a remote 100' may be viewable by the surgeon 30.
  • the remote 100' may be substantially similar or identical to the remote 100, save for the addition of the screen 300.
  • the screen 300 may be any appropriate display such as a liquid crystal display, light emitting diode display, etc.
  • the display 300 may also allow for direct input from the surgeon 30 and/or display of selections that may be altered with the other switches 160, 164, and 168. Direct input may be with a touch sensitive screen while other inputs may be selected with the buttons 160, 164, 168.
  • the display 300 may display selected information to the surgeon 30, such as present operation of monitoring assembly 20.
  • the present operation may include whether or not stimulation is occurring, the type of stimulation, stimulation current or voltage, etc.
  • the display 300 may also display control options, such as START, STOP, CONTINUOUS, increase stimulation, decrease stimulation,
  • the screen 300 may also be used on the remote to operate the monitoring assembly 20, in a manner similar to that discussed above. For example, a selected type of operation may be displayed or selected by the surgeon 30. As illustrated in Fig. 6, the display may display "STOP" or an icon related to stopping stimulation and the STOP icon may be highlighted, as selected by the user 30, with an underline. The surgeon 30 may select STOP via a touch screen or selection, such as with the buttons 160, 164, 168. The system may then operate as selected by the surgeon 30. Thus, the display 300 may be used on the remote 100' alone or in combination with the other buttons to control the monitoring assembly 20.
  • the display 300 may display various icons and communications based on instructions that are stored and accessed by the processor 26.
  • the processor 26 may execute instructions to display on the display 300 a selection of a command to start and stop stimulation.
  • the user may then operate the remote 100', such as with the button 160, to select or highlight (e.g. with an underline displayed on the display 300) one of the displayed icons.
  • the user 30 may then input a command by selecting, such as by depressing the button 168, the highlighted or selected icon. It is understood that such instructions may be incorporated into selected algorithms and instructions, as is understood by one skilled in the art.
  • the remote such as the remote 100 need not be physically connected to the conductor 54 for communicating with the monitoring assembly 20.
  • the conductor 54 allows a signal from the remote control 100 to be carried to the monitoring assembly 20 and/or a stimulation signal from the monitoring assembly 20 to be delivered through the instrument 50 to the patient 34, such as to the nerve 36.
  • the remote 100 may include a wireless communication system or portion, such as those generally known in the art, to communicate with the monitoring assembly 20.
  • the remote 100 may be operated, as discussed above, however, an instruction from the surgeon 30 may be communicated to the monitoring assembly 20 with a wireless or over the air (OTA) transmission.
  • OTA over the air
  • transmissions from the monitoring assembly 20 regarding operation of the monitoring assembly 20 may be wireless or OTA to the remote 100.
  • the conductor 54, or other selected conductor may be connected to the selected instrument, such as the instrument 200, for providing the stimulation to the electrodes.
  • Control, or at least selected control, of the monitoring assembly 20 may be with the remote 100 that is wirelessly communicating with the monitoring assembly 20.
  • Example embodiments are provided so that this disclosure will be thorough, and will fully convey the scope to those who are skilled in the art. Numerous specific details are set forth such as examples of specific components, devices, and methods, to provide a thorough understanding of embodiments of the present disclosure. It will be apparent to those skilled in the art that specific details need not be employed, that example embodiments may be embodied in many different forms and that neither should be construed to limit the scope of the disclosure. In some example embodiments, well-known processes, well-known device structures, and well-known technologies are not described in detail.

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  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
EP17778021.0A 2016-09-19 2017-09-15 Remote control module for instruments Withdrawn EP3515304A1 (en)

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US15/269,051 US10849517B2 (en) 2016-09-19 2016-09-19 Remote control module for instruments
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JP2019532704A (ja) 2019-11-14
US11998337B2 (en) 2024-06-04
CN109963504A (zh) 2019-07-02
US20210000363A1 (en) 2021-01-07
CA3037298A1 (en) 2018-03-22
US10849517B2 (en) 2020-12-01
WO2018053295A1 (en) 2018-03-22
KR20190049860A (ko) 2019-05-09
AU2017326105A1 (en) 2019-04-11
US20180078161A1 (en) 2018-03-22
US20240315627A1 (en) 2024-09-26

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